Merged revisions 96394 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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r96394 | russell | 2008-01-03 16:44:22 -0600 (Thu, 03 Jan 2008) | 3 lines

Don't crash if the iax2 pvt structure has been destroyed before we get to this point
(closes issue #11672, reported by snuffy, patched by me)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@96395 65c4cc65-6c06-0410-ace0-fbb531ad65f3